xref: /freebsd/sys/dev/mfi/mfireg.h (revision ce3adf4362fcca6a43e500b2531f0038adbfbd21)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 /*-
27  * Copyright (c) 2007 LSI Corp.
28  * Copyright (c) 2007 Rajesh Prabhakaran.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  * 1. Redistributions of source code must retain the above copyright
35  *    notice, this list of conditions and the following disclaimer.
36  * 2. Redistributions in binary form must reproduce the above copyright
37  *    notice, this list of conditions and the following disclaimer in the
38  *    documentation and/or other materials provided with the distribution.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  */
52 
53 #ifndef _MFIREG_H
54 #define _MFIREG_H
55 
56 #include <sys/cdefs.h>
57 __FBSDID("$FreeBSD$");
58 
59 /*
60  * MegaRAID SAS MFI firmware definitions
61  *
62  * Calling this driver 'MegaRAID SAS' is a bit misleading.  It's a completely
63  * new firmware interface from the old AMI MegaRAID one, and there is no
64  * reason why this interface should be limited to just SAS.  In any case, LSI
65  * seems to also call this interface 'MFI', so that will be used here.
66  */
67 #define MEGAMFI_FRAME_SIZE              64
68 /*
69  * Start with the register set.  All registers are 32 bits wide.
70  * The usual Intel IOP style setup.
71  */
72 #define MFI_IMSG0	0x10	/* Inbound message 0 */
73 #define MFI_IMSG1	0x14	/* Inbound message 1 */
74 #define MFI_OMSG0	0x18	/* Outbound message 0 */
75 #define MFI_OMSG1	0x1c	/* Outbound message 1 */
76 #define MFI_IDB		0x20	/* Inbound doorbell */
77 #define MFI_ISTS	0x24	/* Inbound interrupt status */
78 #define MFI_IMSK	0x28	/* Inbound interrupt mask */
79 #define MFI_ODB		0x2c	/* Outbound doorbell */
80 #define MFI_OSTS	0x30	/* Outbound interrupt status */
81 #define MFI_OMSK	0x34	/* Outbound interrupt mask */
82 #define MFI_IQP		0x40	/* Inbound queue port */
83 #define MFI_OQP		0x44	/* Outbound queue port */
84 
85 /*
86 *  ThunderBolt specific Register
87 */
88 
89 #define MFI_RFPI	0x48 		/* reply_free_post_host_index */
90 #define MFI_RPI		0x6c 		/* reply_post_host_index */
91 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
92 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
93 
94 /*
95  * 1078 specific related register
96  */
97 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
98 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
99 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
100 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
101 #define MFI_RMI		0x2 		/* reply message interrupt  */
102 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
103 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
104 
105 /* OCR registers */
106 #define MFI_WSR		0x004		/* write sequence register */
107 #define MFI_HDR		0x008		/* host diagnostic register */
108 #define MFI_RSR		0x3c3		/* Reset Status Register */
109 
110 /*
111  * GEN2 specific changes
112  */
113 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
114 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
115 
116 /*
117  * skinny specific changes
118  */
119 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
120 #define MFI_IQPL	0x000000c0
121 #define MFI_IQPH	0x000000c4
122 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
123 
124 /* Bits for MFI_OSTS */
125 #define MFI_OSTS_INTR_VALID	0x00000002
126 
127 /* OCR specific flags */
128 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
129 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
130 
131 /*
132  * Firmware state values.  Found in OMSG0 during initialization.
133  */
134 #define MFI_FWSTATE_MASK		0xf0000000
135 #define MFI_FWSTATE_UNDEFINED		0x00000000
136 #define MFI_FWSTATE_BB_INIT		0x10000000
137 #define MFI_FWSTATE_FW_INIT		0x40000000
138 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
139 #define MFI_FWSTATE_FW_INIT_2		0x70000000
140 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
141 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
142 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
143 #define MFI_FWSTATE_READY		0xb0000000
144 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
145 #define MFI_FWSTATE_FAULT		0xf0000000
146 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
147 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
148 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
149 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
150 #define MFI_RESET_REQUIRED		0x00000001
151 
152 /* ThunderBolt Support */
153 #define MFI_FWSTATE_TB_MASK		0xf0000000
154 #define MFI_FWSTATE_TB_RESET		0x00000000
155 #define MFI_FWSTATE_TB_READY		0x10000000
156 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
157 #define MFI_FWSTATE_TB_FAULT		0x40000000
158 
159 /*
160  * Control bits to drive the card to ready state.  These go into the IDB
161  * register.
162  */
163 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
164 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
165 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
166 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
167 #define MFI_FWINIT_HOTPLUG	0x00000010
168 
169 /* ADP reset flags */
170 #define MFI_STOP_ADP		0x00000020
171 #define MFI_ADP_RESET		0x00000040
172 #define DIAG_WRITE_ENABLE	0x00000080
173 #define DIAG_RESET_ADAPTER	0x00000004
174 
175 /* MFI Commands */
176 typedef enum {
177 	MFI_CMD_INIT =		0x00,
178 	MFI_CMD_LD_READ,
179 	MFI_CMD_LD_WRITE,
180 	MFI_CMD_LD_SCSI_IO,
181 	MFI_CMD_PD_SCSI_IO,
182 	MFI_CMD_DCMD,
183 	MFI_CMD_ABORT,
184 	MFI_CMD_SMP,
185 	MFI_CMD_STP
186 } mfi_cmd_t;
187 
188 /* Direct commands */
189 typedef enum {
190 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
191 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
192 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
193 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
194 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
195 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
196 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
197 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
198 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
199 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
200 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
201 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
202 	MFI_DCMD_PR_START =		0x01070400,
203 	MFI_DCMD_PR_STOP =		0x01070500,
204 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
205 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
206 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
207 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
208 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
209 	MFI_DCMD_PD_GET_LIST =		0x02010000,
210 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
211 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
212 	MFI_DCMD_PD_STATE_SET =		0x02030100,
213 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
214 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
215 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
216 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
217 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
218 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
219 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
220 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
221 	MFI_DCMD_LD_SYNC =		0x0300e102,
222 	MFI_DCMD_LD_GET_LIST =		0x03010000,
223 	MFI_DCMD_LD_GET_INFO =		0x03020000,
224 	MFI_DCMD_LD_GET_PROP =		0x03030000,
225 	MFI_DCMD_LD_SET_PROP =		0x03040000,
226 	MFI_DCMD_LD_INIT_START =	0x03060100,
227 	MFI_DCMD_LD_DELETE =		0x03090000,
228 	MFI_DCMD_CFG_READ =		0x04010000,
229 	MFI_DCMD_CFG_ADD =		0x04020000,
230 	MFI_DCMD_CFG_CLEAR =		0x04030000,
231 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
232 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
233 	MFI_DCMD_CFG_FOREIGN_SCAN =     0x04060100,
234 	MFI_DCMD_CFG_FOREIGN_DISPLAY =  0x04060200,
235 	MFI_DCMD_CFG_FOREIGN_PREVIEW =  0x04060300,
236 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
237 	MFI_DCMD_CFG_FOREIGN_CLEAR =    0x04060500,
238 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
239 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
240 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
241 	MFI_DCMD_BBU_START_LEARN =	0x05040000,
242 	MFI_DCMD_BBU_GET_PROP =		0x05050100,
243 	MFI_DCMD_BBU_SET_PROP =		0x05050200,
244 	MFI_DCMD_CLUSTER =		0x08000000,
245 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
246 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
247 } mfi_dcmd_t;
248 
249 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
250 #define MFI_FLUSHCACHE_CTRL	0x01
251 #define MFI_FLUSHCACHE_DISK	0x02
252 
253 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
254 #define MFI_SHUTDOWN_SPINDOWN	0x01
255 
256 /*
257  * MFI Frame flags
258  */
259 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
260 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
261 #define MFI_FRAME_SGL32				0x0000
262 #define MFI_FRAME_SGL64				0x0002
263 #define MFI_FRAME_SENSE32			0x0000
264 #define MFI_FRAME_SENSE64			0x0004
265 #define MFI_FRAME_DIR_NONE			0x0000
266 #define MFI_FRAME_DIR_WRITE			0x0008
267 #define MFI_FRAME_DIR_READ			0x0010
268 #define MFI_FRAME_DIR_BOTH			0x0018
269 #define MFI_FRAME_IEEE_SGL			0x0020
270 #define MFI_FRAME_FMT "\20" \
271     "\1NOPOST" \
272     "\2SGL64" \
273     "\3SENSE64" \
274     "\4WRITE" \
275     "\5READ" \
276     "\6IEEESGL"
277 
278 /* ThunderBolt Specific */
279 
280 /*
281  * Pre-TB command size and TB command size.
282  * We will be checking it at the load time for the time being
283  */
284 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
285 
286 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
287 /*
288  * We are defining only 128 byte message to reduce memory move over head
289  * and also it will reduce the SRB extension size by 128byte compared with
290  * 256 message size
291  */
292 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
293 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
294 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
295 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
296 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
297 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
298 
299 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
300 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
301 
302 #define MR_INTERNAL_MFI_FRAMES_SMID             1
303 #define MR_CTRL_EVENT_WAIT_SMID                 2
304 #define MR_INTERNAL_DRIVER_RESET_SMID           3
305 
306 
307 /* MFI Status codes */
308 typedef enum {
309 	MFI_STAT_OK =			0x00,
310 	MFI_STAT_INVALID_CMD,
311 	MFI_STAT_INVALID_DCMD,
312 	MFI_STAT_INVALID_PARAMETER,
313 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
314 	MFI_STAT_ABORT_NOT_POSSIBLE,
315 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
316 	MFI_STAT_APP_IN_USE,
317 	MFI_STAT_APP_NOT_INITIALIZED,
318 	MFI_STAT_ARRAY_INDEX_INVALID,
319 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
320 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
321 	MFI_STAT_DEVICE_NOT_FOUND,
322 	MFI_STAT_DRIVE_TOO_SMALL,
323 	MFI_STAT_FLASH_ALLOC_FAIL,
324 	MFI_STAT_FLASH_BUSY,
325 	MFI_STAT_FLASH_ERROR =		0x10,
326 	MFI_STAT_FLASH_IMAGE_BAD,
327 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
328 	MFI_STAT_FLASH_NOT_OPEN,
329 	MFI_STAT_FLASH_NOT_STARTED,
330 	MFI_STAT_FLUSH_FAILED,
331 	MFI_STAT_HOST_CODE_NOT_FOUNT,
332 	MFI_STAT_LD_CC_IN_PROGRESS,
333 	MFI_STAT_LD_INIT_IN_PROGRESS,
334 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
335 	MFI_STAT_LD_MAX_CONFIGURED,
336 	MFI_STAT_LD_NOT_OPTIMAL,
337 	MFI_STAT_LD_RBLD_IN_PROGRESS,
338 	MFI_STAT_LD_RECON_IN_PROGRESS,
339 	MFI_STAT_LD_WRONG_RAID_LEVEL,
340 	MFI_STAT_MAX_SPARES_EXCEEDED,
341 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
342 	MFI_STAT_MFC_HW_ERROR,
343 	MFI_STAT_NO_HW_PRESENT,
344 	MFI_STAT_NOT_FOUND,
345 	MFI_STAT_NOT_IN_ENCL,
346 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
347 	MFI_STAT_PD_TYPE_WRONG,
348 	MFI_STAT_PR_DISABLED,
349 	MFI_STAT_ROW_INDEX_INVALID,
350 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
351 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
352 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
353 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
354 	MFI_STAT_SCSI_DONE_WITH_ERROR,
355 	MFI_STAT_SCSI_IO_FAILED,
356 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
357 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
358 	MFI_STAT_TIME_NOT_SET,
359 	MFI_STAT_WRONG_STATE,
360 	MFI_STAT_LD_OFFLINE,
361 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
362 	MFI_STAT_PEER_NOTIFICATION_FAILED,
363 	MFI_STAT_RESERVATION_IN_PROGRESS,
364 	MFI_STAT_I2C_ERRORS_DETECTED,
365 	MFI_STAT_PCI_ERRORS_DETECTED,
366 	MFI_STAT_DIAG_FAILED,
367 	MFI_STAT_BOOT_MSG_PENDING,
368 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
369 	MFI_STAT_INVALID_STATUS =	0xFF
370 } mfi_status_t;
371 
372 typedef enum {
373 	MFI_EVT_CLASS_DEBUG =		-2,
374 	MFI_EVT_CLASS_PROGRESS =	-1,
375 	MFI_EVT_CLASS_INFO =		0,
376 	MFI_EVT_CLASS_WARNING =		1,
377 	MFI_EVT_CLASS_CRITICAL =	2,
378 	MFI_EVT_CLASS_FATAL =		3,
379 	MFI_EVT_CLASS_DEAD =		4
380 } mfi_evt_class_t;
381 
382 typedef enum {
383 	MFI_EVT_LOCALE_LD =		0x0001,
384 	MFI_EVT_LOCALE_PD =		0x0002,
385 	MFI_EVT_LOCALE_ENCL =		0x0004,
386 	MFI_EVT_LOCALE_BBU =		0x0008,
387 	MFI_EVT_LOCALE_SAS =		0x0010,
388 	MFI_EVT_LOCALE_CTRL =		0x0020,
389 	MFI_EVT_LOCALE_CONFIG =		0x0040,
390 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
391 	MFI_EVT_LOCALE_ALL =		0xffff
392 } mfi_evt_locale_t;
393 
394 typedef enum {
395 	MR_EVT_ARGS_NONE =		0x00,
396 	MR_EVT_ARGS_CDB_SENSE,
397 	MR_EVT_ARGS_LD,
398 	MR_EVT_ARGS_LD_COUNT,
399 	MR_EVT_ARGS_LD_LBA,
400 	MR_EVT_ARGS_LD_OWNER,
401 	MR_EVT_ARGS_LD_LBA_PD_LBA,
402 	MR_EVT_ARGS_LD_PROG,
403 	MR_EVT_ARGS_LD_STATE,
404 	MR_EVT_ARGS_LD_STRIP,
405 	MR_EVT_ARGS_PD,
406 	MR_EVT_ARGS_PD_ERR,
407 	MR_EVT_ARGS_PD_LBA,
408 	MR_EVT_ARGS_PD_LBA_LD,
409 	MR_EVT_ARGS_PD_PROG,
410 	MR_EVT_ARGS_PD_STATE,
411 	MR_EVT_ARGS_PCI,
412 	MR_EVT_ARGS_RATE,
413 	MR_EVT_ARGS_STR,
414 	MR_EVT_ARGS_TIME,
415 	MR_EVT_ARGS_ECC
416 } mfi_evt_args;
417 
418 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
419 #define MR_EVT_PD_REMOVED			0x0070
420 #define MR_EVT_PD_INSERTED			0x005b
421 #define MR_EVT_LD_CHANGE			0x0051
422 
423 typedef enum {
424 	MR_LD_CACHE_WRITE_BACK =	0x01,
425 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
426 	MR_LD_CACHE_READ_AHEAD =	0x04,
427 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
428 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
429 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
430 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
431 } mfi_ld_cache;
432 #define	MR_LD_CACHE_MASK	0x7f
433 
434 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
435 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
436 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
437 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
438 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
439 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
440 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
441 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
442 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
443 
444 typedef enum {
445 	MR_PD_CACHE_UNCHANGED  =	0,
446 	MR_PD_CACHE_ENABLE =		1,
447 	MR_PD_CACHE_DISABLE =		2
448 } mfi_pd_cache;
449 
450 typedef enum {
451 	MR_PD_QUERY_TYPE_ALL =		0,
452 	MR_PD_QUERY_TYPE_STATE =	1,
453 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
454 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
455 	MR_PD_QUERY_TYPE_SPEED =	4,
456 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
457 } mfi_pd_query_type;
458 
459 /*
460  * Other propertities and definitions
461  */
462 #define MFI_MAX_PD_CHANNELS	2
463 #define MFI_MAX_LD_CHANNELS	2
464 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
465 #define MFI_MAX_CHANNEL_DEVS	128
466 #define MFI_DEFAULT_ID		-1
467 #define MFI_MAX_LUN		8
468 #define MFI_MAX_LD		64
469 #define	MFI_MAX_PD		256
470 
471 #define MFI_FRAME_SIZE		64
472 #define MFI_MBOX_SIZE		12
473 
474 /* Firmware flashing can take 50+ seconds */
475 #define MFI_POLL_TIMEOUT_SECS	60
476 
477 /* Allow for speedier math calculations */
478 #define MFI_SECTOR_LEN		512
479 
480 /* Scatter Gather elements */
481 struct mfi_sg32 {
482 	uint32_t	addr;
483 	uint32_t	len;
484 } __packed;
485 
486 struct mfi_sg64 {
487 	uint64_t	addr;
488 	uint32_t	len;
489 } __packed;
490 
491 struct mfi_sg_skinny {
492 	uint64_t	addr;
493 	uint32_t	len;
494 	uint32_t	flag;
495 } __packed;
496 
497 union mfi_sgl {
498 	struct mfi_sg32		sg32[1];
499 	struct mfi_sg64		sg64[1];
500 	struct mfi_sg_skinny	sg_skinny[1];
501 } __packed;
502 
503 /* Message frames.  All messages have a common header */
504 struct mfi_frame_header {
505 	uint8_t		cmd;
506 	uint8_t		sense_len;
507 	uint8_t		cmd_status;
508 	uint8_t		scsi_status;
509 	uint8_t		target_id;
510 	uint8_t		lun_id;
511 	uint8_t		cdb_len;
512 	uint8_t		sg_count;
513 	uint32_t	context;
514 	/*
515 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
516 	 * sending the command to f/w.
517 	 */
518 	uint32_t	pad0;
519 	uint16_t	flags;
520 #define MFI_FRAME_DATAOUT	0x08
521 #define MFI_FRAME_DATAIN	0x10
522 	uint16_t	timeout;
523 	uint32_t	data_len;
524 } __packed;
525 
526 struct mfi_init_frame {
527 	struct mfi_frame_header	header;
528 	uint32_t	qinfo_new_addr_lo;
529 	uint32_t	qinfo_new_addr_hi;
530 	uint32_t	qinfo_old_addr_lo;
531 	uint32_t	qinfo_old_addr_hi;
532 	// Start LSIP200113393
533 	uint32_t	driver_ver_lo;      /*28h */
534 	uint32_t	driver_ver_hi;      /*2Ch */
535 
536 	uint32_t	reserved[4];
537 	// End LSIP200113393
538 } __packed;
539 
540 /*
541  * Define MFI Address Context union.
542  */
543 #ifdef MFI_ADDRESS_IS_uint64_t
544     typedef uint64_t     MFI_ADDRESS;
545 #else
546     typedef union _MFI_ADDRESS {
547         struct {
548             uint32_t     addressLow;
549             uint32_t     addressHigh;
550         } u;
551         uint64_t     address;
552     } MFI_ADDRESS, *PMFI_ADDRESS;
553 #endif
554 
555 #define MFI_IO_FRAME_SIZE 40
556 struct mfi_io_frame {
557 	struct mfi_frame_header	header;
558 	uint32_t	sense_addr_lo;
559 	uint32_t	sense_addr_hi;
560 	uint32_t	lba_lo;
561 	uint32_t	lba_hi;
562 	union mfi_sgl	sgl;
563 } __packed;
564 
565 #define MFI_PASS_FRAME_SIZE 48
566 struct mfi_pass_frame {
567 	struct mfi_frame_header header;
568 	uint32_t	sense_addr_lo;
569 	uint32_t	sense_addr_hi;
570 	uint8_t		cdb[16];
571 	union mfi_sgl	sgl;
572 } __packed;
573 
574 #define MFI_DCMD_FRAME_SIZE 40
575 struct mfi_dcmd_frame {
576 	struct mfi_frame_header header;
577 	uint32_t	opcode;
578 	uint8_t		mbox[MFI_MBOX_SIZE];
579 	union mfi_sgl	sgl;
580 } __packed;
581 
582 struct mfi_abort_frame {
583 	struct mfi_frame_header header;
584 	uint32_t	abort_context;
585 	/* pad is changed to reserved.*/
586 	uint32_t	reserved0;
587 	uint32_t	abort_mfi_addr_lo;
588 	uint32_t	abort_mfi_addr_hi;
589 	uint32_t	reserved1[6];
590 } __packed;
591 
592 struct mfi_smp_frame {
593 	struct mfi_frame_header header;
594 	uint64_t	sas_addr;
595 	union {
596 		struct mfi_sg32 sg32[2];
597 		struct mfi_sg64 sg64[2];
598 	} sgl;
599 } __packed;
600 
601 struct mfi_stp_frame {
602 	struct mfi_frame_header header;
603 	uint16_t	fis[10];
604 	uint32_t	stp_flags;
605 	union {
606 		struct mfi_sg32 sg32[2];
607 		struct mfi_sg64 sg64[2];
608 	} sgl;
609 } __packed;
610 
611 union mfi_frame {
612 	struct mfi_frame_header header;
613 	struct mfi_init_frame	init;
614 	/* ThunderBolt Initialization */
615 	struct mfi_io_frame	io;
616 	struct mfi_pass_frame	pass;
617 	struct mfi_dcmd_frame	dcmd;
618 	struct mfi_abort_frame	abort;
619 	struct mfi_smp_frame	smp;
620 	struct mfi_stp_frame	stp;
621 	uint8_t			bytes[MFI_FRAME_SIZE];
622 };
623 
624 #define MFI_SENSE_LEN 128
625 struct mfi_sense {
626 	uint8_t		data[MFI_SENSE_LEN];
627 };
628 
629 /* The queue init structure that is passed with the init message */
630 struct mfi_init_qinfo {
631 	uint32_t	flags;
632 	uint32_t	rq_entries;
633 	uint32_t	rq_addr_lo;
634 	uint32_t	rq_addr_hi;
635 	uint32_t	pi_addr_lo;
636 	uint32_t	pi_addr_hi;
637 	uint32_t	ci_addr_lo;
638 	uint32_t	ci_addr_hi;
639 } __packed;
640 
641 /* SAS (?) controller properties, part of mfi_ctrl_info */
642 struct mfi_ctrl_props {
643 	uint16_t	seq_num;
644 	uint16_t	pred_fail_poll_interval;
645 	uint16_t	intr_throttle_cnt;
646 	uint16_t	intr_throttle_timeout;
647 	uint8_t		rebuild_rate;
648 	uint8_t		patrol_read_rate;
649 	uint8_t		bgi_rate;
650 	uint8_t		cc_rate;
651 	uint8_t		recon_rate;
652 	uint8_t		cache_flush_interval;
653 	uint8_t		spinup_drv_cnt;
654 	uint8_t		spinup_delay;
655 	uint8_t		cluster_enable;
656 	uint8_t		coercion_mode;
657 	uint8_t		alarm_enable;
658 	uint8_t		disable_auto_rebuild;
659 	uint8_t		disable_battery_warn;
660 	uint8_t		ecc_bucket_size;
661 	uint16_t	ecc_bucket_leak_rate;
662 	uint8_t		restore_hotspare_on_insertion;
663 	uint8_t		expose_encl_devices;
664 	uint8_t		maintainPdFailHistory;
665 	uint8_t		disallowHostRequestReordering;
666 	/* set TRUE to abort CC on detecting an inconsistency */
667 	uint8_t		abortCCOnError;
668 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
669 	uint8_t		loadBalanceMode;
670 	/*
671 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
672 	 *     h/w mechansim like GPIO pins
673 	 * 1 - disable auto detect SGPIO,
674 	 * 2 - disable i2c SEP auto detect
675 	 * 3 - disable both auto detect
676 	 */
677 	uint8_t		disableAutoDetectBackplane;
678 	/*
679 	 * % of source LD to be reserved for a VDs snapshot in snapshot
680 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
681 	 */
682 	uint8_t		snapVDSpace;
683 
684 	/*
685 	 * Add properties that can be controlled by a bit in the following
686 	 * structure.
687 	 */
688 	struct {
689 		/* set TRUE to disable copyBack (0=copback enabled) */
690 		uint32_t	copyBackDisabled		:1;
691 		uint32_t	SMARTerEnabled			:1;
692 		uint32_t	prCorrectUnconfiguredAreas	:1;
693 		uint32_t	useFdeOnly			:1;
694 		uint32_t	disableNCQ			:1;
695 		uint32_t	SSDSMARTerEnabled		:1;
696 		uint32_t	SSDPatrolReadEnabled		:1;
697 		uint32_t	enableSpinDownUnconfigured	:1;
698 		uint32_t	autoEnhancedImport		:1;
699 		uint32_t	enableSecretKeyControl		:1;
700 		uint32_t	disableOnlineCtrlReset		:1;
701 		uint32_t	allowBootWithPinnedCache	:1;
702 		uint32_t	disableSpinDownHS		:1;
703 		uint32_t	enableJBOD			:1;
704 		uint32_t	reserved			:18;
705 	} OnOffProperties;
706 	/*
707 	 * % of source LD to be reserved for auto snapshot in snapshot
708 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
709 	 */
710 	uint8_t		autoSnapVDSpace;
711 	/*
712 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
713 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
714 	 */
715 	uint8_t		viewSpace;
716 	/* # of idle minutes before device is spun down (0=use FW defaults) */
717 	uint16_t	spinDownTime;
718 	uint8_t		reserved[24];
719 } __packed;
720 
721 /* PCI information about the card. */
722 struct mfi_info_pci {
723 	uint16_t	vendor;
724 	uint16_t	device;
725 	uint16_t	subvendor;
726 	uint16_t	subdevice;
727 	uint8_t		reserved[24];
728 } __packed;
729 
730 /* Host (front end) interface information */
731 struct mfi_info_host {
732 	uint8_t		type;
733 #define MFI_INFO_HOST_PCIX	0x01
734 #define MFI_INFO_HOST_PCIE	0x02
735 #define MFI_INFO_HOST_ISCSI	0x04
736 #define MFI_INFO_HOST_SAS3G	0x08
737 	uint8_t		reserved[6];
738 	uint8_t		port_count;
739 	uint64_t	port_addr[8];
740 } __packed;
741 
742 /* Device (back end) interface information */
743 struct mfi_info_device {
744 	uint8_t		type;
745 #define MFI_INFO_DEV_SPI	0x01
746 #define MFI_INFO_DEV_SAS3G	0x02
747 #define MFI_INFO_DEV_SATA1	0x04
748 #define MFI_INFO_DEV_SATA3G	0x08
749 	uint8_t		reserved[6];
750 	uint8_t		port_count;
751 	uint64_t	port_addr[8];
752 } __packed;
753 
754 /* Firmware component information */
755 struct mfi_info_component {
756 	char		 name[8];
757 	char		 version[32];
758 	char		 build_date[16];
759 	char		 build_time[16];
760 } __packed;
761 
762 /* Controller default settings */
763 struct mfi_defaults {
764 	uint64_t	sas_addr;
765 	uint8_t		phy_polarity;
766 	uint8_t		background_rate;
767 	uint8_t		stripe_size;
768 	uint8_t		flush_time;
769 	uint8_t		write_back;
770 	uint8_t		read_ahead;
771 	uint8_t		cache_when_bbu_bad;
772 	uint8_t		cached_io;
773 	uint8_t		smart_mode;
774 	uint8_t		alarm_disable;
775 	uint8_t		coercion;
776 	uint8_t		zrc_config;
777 	uint8_t		dirty_led_shows_drive_activity;
778 	uint8_t		bios_continue_on_error;
779 	uint8_t		spindown_mode;
780 	uint8_t		allowed_device_types;
781 	uint8_t		allow_mix_in_enclosure;
782 	uint8_t		allow_mix_in_ld;
783 	uint8_t		allow_sata_in_cluster;
784 	uint8_t		max_chained_enclosures;
785 	uint8_t		disable_ctrl_r;
786 	uint8_t		enabel_web_bios;
787 	uint8_t		phy_polarity_split;
788 	uint8_t		direct_pd_mapping;
789 	uint8_t		bios_enumerate_lds;
790 	uint8_t		restored_hot_spare_on_insertion;
791 	uint8_t		expose_enclosure_devices;
792 	uint8_t		maintain_pd_fail_history;
793 	uint8_t		resv[28];
794 } __packed;
795 
796 /* Controller default settings */
797 struct mfi_bios_data {
798 	uint16_t	boot_target_id;
799 	uint8_t		do_not_int_13;
800 	uint8_t		continue_on_error;
801 	uint8_t		verbose;
802 	uint8_t		geometry;
803 	uint8_t		expose_all_drives;
804 	uint8_t		reserved[56];
805 	uint8_t		check_sum;
806 } __packed;
807 
808 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
809 struct mfi_ctrl_info {
810 	struct mfi_info_pci	pci;
811 	struct mfi_info_host	host;
812 	struct mfi_info_device	device;
813 
814 	/* Firmware components that are present and active. */
815 	uint32_t		image_check_word;
816 	uint32_t		image_component_count;
817 	struct mfi_info_component image_component[8];
818 
819 	/* Firmware components that have been flashed but are inactive */
820 	uint32_t		pending_image_component_count;
821 	struct mfi_info_component pending_image_component[8];
822 
823 	uint8_t			max_arms;
824 	uint8_t			max_spans;
825 	uint8_t			max_arrays;
826 	uint8_t			max_lds;
827 	char			product_name[80];
828 	char			serial_number[32];
829 	uint32_t		hw_present;
830 #define MFI_INFO_HW_BBU		0x01
831 #define MFI_INFO_HW_ALARM	0x02
832 #define MFI_INFO_HW_NVRAM	0x04
833 #define MFI_INFO_HW_UART	0x08
834 	uint32_t		current_fw_time;
835 	uint16_t		max_cmds;
836 	uint16_t		max_sg_elements;
837 	uint32_t		max_request_size;
838 	uint16_t		lds_present;
839 	uint16_t		lds_degraded;
840 	uint16_t		lds_offline;
841 	uint16_t		pd_present;
842 	uint16_t		pd_disks_present;
843 	uint16_t		pd_disks_pred_failure;
844 	uint16_t		pd_disks_failed;
845 	uint16_t		nvram_size;
846 	uint16_t		memory_size;
847 	uint16_t		flash_size;
848 	uint16_t		ram_correctable_errors;
849 	uint16_t		ram_uncorrectable_errors;
850 	uint8_t			cluster_allowed;
851 	uint8_t			cluster_active;
852 	uint16_t		max_strips_per_io;
853 
854 	uint32_t		raid_levels;
855 #define MFI_INFO_RAID_0		0x01
856 #define MFI_INFO_RAID_1		0x02
857 #define MFI_INFO_RAID_5		0x04
858 #define MFI_INFO_RAID_1E	0x08
859 #define MFI_INFO_RAID_6		0x10
860 
861 	uint32_t		adapter_ops;
862 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
863 #define MFI_INFO_AOPS_CC_RATE		0x0002
864 #define MFI_INFO_AOPS_BGI_RATE		0x0004
865 #define MFI_INFO_AOPS_RECON_RATE	0x0008
866 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
867 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
868 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
869 #define MFI_INFO_AOPS_BBU		0x0080
870 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
871 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
872 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
873 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
874 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
875 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
876 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
877 
878 	uint32_t		ld_ops;
879 #define MFI_INFO_LDOPS_READ_POLICY	0x01
880 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
881 #define MFI_INFO_LDOPS_IO_POLICY	0x04
882 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
883 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
884 
885 	struct {
886 		uint8_t		min;
887 		uint8_t		max;
888 		uint8_t		reserved[2];
889 	} __packed stripe_sz_ops;
890 
891 	uint32_t		pd_ops;
892 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
893 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
894 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
895 
896 	uint32_t		pd_mix_support;
897 #define MFI_INFO_PDMIX_SAS		0x01
898 #define MFI_INFO_PDMIX_SATA		0x02
899 #define MFI_INFO_PDMIX_ENCL		0x04
900 #define MFI_INFO_PDMIX_LD		0x08
901 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
902 
903 	uint8_t			ecc_bucket_count;
904 	uint8_t			reserved2[11];
905 	struct mfi_ctrl_props	properties;
906 	char			package_version[0x60];
907 	uint8_t			pad[0x800 - 0x6a0];
908 } __packed;
909 
910 /* keep track of an event. */
911 union mfi_evt {
912 	struct {
913 		uint16_t	locale;
914 		uint8_t		reserved;
915 		int8_t		evt_class;
916 	} members;
917 	uint32_t		word;
918 } __packed;
919 
920 /* event log state. */
921 struct mfi_evt_log_state {
922 	uint32_t		newest_seq_num;
923 	uint32_t		oldest_seq_num;
924 	uint32_t		clear_seq_num;
925 	uint32_t		shutdown_seq_num;
926 	uint32_t		boot_seq_num;
927 } __packed;
928 
929 struct mfi_progress {
930 	uint16_t		progress;
931 	uint16_t		elapsed_seconds;
932 } __packed;
933 
934 struct mfi_evt_ld {
935 	uint16_t		target_id;
936 	uint8_t			ld_index;
937 	uint8_t			reserved;
938 } __packed;
939 
940 struct mfi_evt_pd {
941 	uint16_t		device_id;
942 	uint8_t			enclosure_index;
943 	uint8_t			slot_number;
944 } __packed;
945 
946 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
947 struct mfi_evt_detail {
948 	uint32_t		seq;
949 	uint32_t		time;
950 	uint32_t		code;
951 	union mfi_evt		evt_class;
952 	uint8_t			arg_type;
953 	uint8_t			reserved1[15];
954 
955 	union {
956 		struct {
957 			struct mfi_evt_pd	pd;
958 			uint8_t			cdb_len;
959 			uint8_t			sense_len;
960 			uint8_t			reserved[2];
961 			uint8_t			cdb[16];
962 			uint8_t			sense[64];
963 		} cdb_sense;
964 
965 		struct mfi_evt_ld		ld;
966 
967 		struct {
968 			struct mfi_evt_ld	ld;
969 			uint64_t		count;
970 		} ld_count;
971 
972 		struct {
973 			uint64_t		lba;
974 			struct mfi_evt_ld	ld;
975 		} ld_lba;
976 
977 		struct {
978 			struct mfi_evt_ld	ld;
979 			uint32_t		pre_owner;
980 			uint32_t		new_owner;
981 		} ld_owner;
982 
983 		struct {
984 			uint64_t		ld_lba;
985 			uint64_t		pd_lba;
986 			struct mfi_evt_ld	ld;
987 			struct mfi_evt_pd	pd;
988 		} ld_lba_pd_lba;
989 
990 		struct {
991 			struct mfi_evt_ld	ld;
992 			struct mfi_progress	prog;
993 		} ld_prog;
994 
995 		struct {
996 			struct mfi_evt_ld	ld;
997 			uint32_t		prev_state;
998 			uint32_t		new_state;
999 		} ld_state;
1000 
1001 		struct {
1002 			uint64_t		strip;
1003 			struct mfi_evt_ld	ld;
1004 		} ld_strip;
1005 
1006 		struct mfi_evt_pd		pd;
1007 
1008 		struct {
1009 			struct mfi_evt_pd	pd;
1010 			uint32_t		err;
1011 		} pd_err;
1012 
1013 		struct {
1014 			uint64_t		lba;
1015 			struct mfi_evt_pd	pd;
1016 		} pd_lba;
1017 
1018 		struct {
1019 			uint64_t		lba;
1020 			struct mfi_evt_pd	pd;
1021 			struct mfi_evt_ld	ld;
1022 		} pd_lba_ld;
1023 
1024 		struct {
1025 			struct mfi_evt_pd	pd;
1026 			struct mfi_progress	prog;
1027 		} pd_prog;
1028 
1029 		struct {
1030 			struct mfi_evt_pd	ld;
1031 			uint32_t		prev_state;
1032 			uint32_t		new_state;
1033 		} pd_state;
1034 
1035 		struct {
1036 			uint16_t		venderId;
1037 			uint16_t		deviceId;
1038 			uint16_t		subVenderId;
1039 			uint16_t		subDeviceId;
1040 		} pci;
1041 
1042 		uint32_t			rate;
1043 
1044 		char				str[96];
1045 
1046 		struct {
1047 			uint32_t		rtc;
1048 			uint16_t		elapsedSeconds;
1049 		} time;
1050 
1051 		struct {
1052 			uint32_t		ecar;
1053 			uint32_t		elog;
1054 			char			str[64];
1055 		} ecc;
1056 
1057 		uint8_t		b[96];
1058 		uint16_t	s[48];
1059 		uint32_t	w[24];
1060 		uint64_t	d[12];
1061 	} args;
1062 
1063 	char description[128];
1064 } __packed;
1065 
1066 struct mfi_evt_list {
1067 	uint32_t		count;
1068 	uint32_t		reserved;
1069 	struct mfi_evt_detail	event[1];
1070 } __packed;
1071 
1072 union mfi_pd_ref {
1073 	struct {
1074 		uint16_t	device_id;
1075 		uint16_t	seq_num;
1076 	} v;
1077 	uint32_t	ref;
1078 } __packed;
1079 
1080 union mfi_pd_ddf_type {
1081 	struct {
1082 		union {
1083 			struct {
1084 				uint16_t	forced_pd_guid	: 1;
1085 				uint16_t	in_vd		: 1;
1086 				uint16_t	is_global_spare	: 1;
1087 				uint16_t	is_spare	: 1;
1088 				uint16_t	is_foreign	: 1;
1089 				uint16_t	reserved	: 7;
1090 				uint16_t	intf		: 4;
1091 			} pd_type;
1092 			uint16_t	type;
1093 		} v;
1094 		uint16_t		reserved;
1095 	} ddf;
1096 	struct {
1097 		uint32_t		reserved;
1098 	} non_disk;
1099 	uint32_t			type;
1100 } __packed;
1101 
1102 struct mfi_pd_progress {
1103 	uint32_t			active;
1104 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1105 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1106 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1107 	struct mfi_progress		rbld;
1108 	struct mfi_progress		patrol;
1109 	struct mfi_progress		clear;
1110 	struct mfi_progress		reserved[4];
1111 } __packed;
1112 
1113 struct mfi_pd_info {
1114 	union mfi_pd_ref		ref;
1115 	uint8_t				inquiry_data[96];
1116 	uint8_t				vpd_page83[64];
1117 	uint8_t				not_supported;
1118 	uint8_t				scsi_dev_type;
1119 	uint8_t				connected_port_bitmap;
1120 	uint8_t				device_speed;
1121 	uint32_t			media_err_count;
1122 	uint32_t			other_err_count;
1123 	uint32_t			pred_fail_count;
1124 	uint32_t			last_pred_fail_event_seq_num;
1125 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1126 	uint8_t				disabled_for_removal;
1127 	uint8_t				link_speed;
1128 	union mfi_pd_ddf_type		state;
1129 	struct {
1130 		uint8_t			count;
1131 		uint8_t			is_path_broken;
1132 		uint8_t			reserved[6];
1133 		uint64_t		sas_addr[4];
1134 	} path_info;
1135 	uint64_t			raw_size;
1136 	uint64_t			non_coerced_size;
1137 	uint64_t			coerced_size;
1138 	uint16_t			encl_device_id;
1139 	uint8_t				encl_index;
1140 	uint8_t				slot_number;
1141 	struct mfi_pd_progress		prog_info;
1142 	uint8_t				bad_block_table_full;
1143 	uint8_t				unusable_in_current_config;
1144 	uint8_t				vpd_page83_ext[64];
1145 	uint8_t				reserved[512-358];
1146 } __packed;
1147 
1148 struct mfi_pd_address {
1149 	uint16_t		device_id;
1150 	uint16_t		encl_device_id;
1151 	uint8_t			encl_index;
1152 	uint8_t			slot_number;
1153 	uint8_t			scsi_dev_type;	/* 0 = disk */
1154 	uint8_t			connect_port_bitmap;
1155 	uint64_t		sas_addr[2];
1156 } __packed;
1157 
1158 #define MAX_SYS_PDS 240
1159 struct mfi_pd_list {
1160 	uint32_t		size;
1161 	uint32_t		count;
1162 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1163 } __packed;
1164 
1165 enum mfi_pd_state {
1166 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1167 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1168 	MFI_PD_STATE_HOT_SPARE = 0x02,
1169 	MFI_PD_STATE_OFFLINE = 0x10,
1170 	MFI_PD_STATE_FAILED = 0x11,
1171 	MFI_PD_STATE_REBUILD = 0x14,
1172 	MFI_PD_STATE_ONLINE = 0x18,
1173 	MFI_PD_STATE_COPYBACK = 0x20,
1174 	MFI_PD_STATE_SYSTEM = 0x40
1175 };
1176 
1177 /*
1178  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1179  * Adding a #define to denote this.
1180  */
1181 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1182 
1183 union mfi_ld_ref {
1184 	struct {
1185 		uint8_t		target_id;
1186 		uint8_t		reserved;
1187 		uint16_t	seq;
1188 	} v;
1189 	uint32_t		ref;
1190 } __packed;
1191 
1192 struct mfi_ld_list {
1193 	uint32_t		ld_count;
1194 	uint32_t		reserved1;
1195 	struct {
1196 		union mfi_ld_ref	ld;
1197 		uint8_t		state;
1198 		uint8_t		reserved2[3];
1199 		uint64_t	size;
1200 	} ld_list[MFI_MAX_LD];
1201 } __packed;
1202 
1203 enum mfi_ld_access {
1204 	MFI_LD_ACCESS_RW =	0,
1205 	MFI_LD_ACCSSS_RO = 	2,
1206 	MFI_LD_ACCESS_BLOCKED =	3,
1207 };
1208 #define MFI_LD_ACCESS_MASK	3
1209 
1210 enum mfi_ld_state {
1211 	MFI_LD_STATE_OFFLINE =			0,
1212 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1213 	MFI_LD_STATE_DEGRADED =			2,
1214 	MFI_LD_STATE_OPTIMAL =			3
1215 };
1216 
1217 struct mfi_ld_props {
1218 	union mfi_ld_ref	ld;
1219 	char			name[16];
1220 	uint8_t			default_cache_policy;
1221 	uint8_t			access_policy;
1222 	uint8_t			disk_cache_policy;
1223 	uint8_t			current_cache_policy;
1224 	uint8_t			no_bgi;
1225 	uint8_t			reserved[7];
1226 } __packed;
1227 
1228 struct mfi_ld_params {
1229 	uint8_t			primary_raid_level;
1230 	uint8_t			raid_level_qualifier;
1231 	uint8_t			secondary_raid_level;
1232 	uint8_t			stripe_size;
1233 	uint8_t			num_drives;
1234 	uint8_t			span_depth;
1235 	uint8_t			state;
1236 	uint8_t			init_state;
1237 #define	MFI_LD_PARAMS_INIT_NO		0
1238 #define	MFI_LD_PARAMS_INIT_QUICK	1
1239 #define	MFI_LD_PARAMS_INIT_FULL		2
1240 	uint8_t			is_consistent;
1241 	uint8_t			reserved1[6];
1242 	uint8_t			isSSCD;
1243 	uint8_t			reserved2[16];
1244 } __packed;
1245 
1246 struct mfi_ld_progress {
1247 	uint32_t		active;
1248 #define	MFI_LD_PROGRESS_CC	(1<<0)
1249 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1250 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1251 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1252 	struct mfi_progress	cc;
1253 	struct mfi_progress	bgi;
1254 	struct mfi_progress	fgi;
1255 	struct mfi_progress	recon;
1256 	struct mfi_progress	reserved[4];
1257 } __packed;
1258 
1259 struct mfi_span {
1260 	uint64_t		start_block;
1261 	uint64_t		num_blocks;
1262 	uint16_t		array_ref;
1263 	uint8_t			reserved[6];
1264 } __packed;
1265 
1266 #define	MFI_MAX_SPAN_DEPTH	8
1267 struct mfi_ld_config {
1268 	struct mfi_ld_props	properties;
1269 	struct mfi_ld_params	params;
1270 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1271 } __packed;
1272 
1273 struct mfi_ld_info {
1274 	struct mfi_ld_config	ld_config;
1275 	uint64_t		size;
1276 	struct mfi_ld_progress	progress;
1277 	uint16_t		cluster_owner;
1278 	uint8_t			reconstruct_active;
1279 	uint8_t			reserved1[1];
1280 	uint8_t			vpd_page83[64];
1281 	uint8_t			reserved2[16];
1282 } __packed;
1283 
1284 #define MFI_MAX_ARRAYS 16
1285 struct mfi_spare {
1286 	union mfi_pd_ref	ref;
1287 	uint8_t			spare_type;
1288 #define	MFI_SPARE_DEDICATED	(1 << 0)
1289 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1290 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1291 	uint8_t			reserved[2];
1292 	uint8_t			array_count;
1293 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1294 } __packed;
1295 
1296 #define MFI_MAX_ROW_SIZE 32
1297 struct mfi_array {
1298 	uint64_t			size;
1299 	uint8_t				num_drives;
1300 	uint8_t				reserved;
1301 	uint16_t			array_ref;
1302 	uint8_t				pad[20];
1303 	struct {
1304 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1305 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1306 		struct {
1307 			uint8_t		pd;
1308 			uint8_t		slot;
1309 		} encl;
1310 	} pd[MFI_MAX_ROW_SIZE];
1311 } __packed;
1312 
1313 struct mfi_config_data {
1314 	uint32_t		size;
1315 	uint16_t		array_count;
1316 	uint16_t		array_size;
1317 	uint16_t		log_drv_count;
1318 	uint16_t		log_drv_size;
1319 	uint16_t		spares_count;
1320 	uint16_t		spares_size;
1321 	uint8_t			reserved[16];
1322 	struct mfi_array	array[0];
1323 	struct mfi_ld_config	ld[0];
1324 	struct mfi_spare	spare[0];
1325 } __packed;
1326 
1327 struct mfi_bbu_capacity_info {
1328 	uint16_t		relative_charge;
1329 	uint16_t		absolute_charge;
1330 	uint16_t		remaining_capacity;
1331 	uint16_t		full_charge_capacity;
1332 	uint16_t		run_time_to_empty;
1333 	uint16_t		average_time_to_empty;
1334 	uint16_t		average_time_to_full;
1335 	uint16_t		cycle_count;
1336 	uint16_t		max_error;
1337 	uint16_t		remaining_capacity_alarm;
1338 	uint16_t		remaining_time_alarm;
1339 	uint8_t			reserved[26];
1340 } __packed;
1341 
1342 struct mfi_bbu_design_info {
1343 	uint32_t		mfg_date;
1344 	uint16_t		design_capacity;
1345 	uint16_t		design_voltage;
1346 	uint16_t		spec_info;
1347 	uint16_t		serial_number;
1348 	uint16_t		pack_stat_config;
1349 	uint8_t			mfg_name[12];
1350 	uint8_t			device_name[8];
1351 	uint8_t			device_chemistry[8];
1352 	uint8_t			mfg_data[8];
1353 	uint8_t			reserved[17];
1354 } __packed;
1355 
1356 struct mfi_ibbu_state {
1357 	uint16_t		gas_guage_status;
1358 	uint16_t		relative_charge;
1359 	uint16_t		charger_system_state;
1360 	uint16_t		charger_system_ctrl;
1361 	uint16_t		charging_current;
1362 	uint16_t		absolute_charge;
1363 	uint16_t		max_error;
1364 	uint8_t			reserved[18];
1365 } __packed;
1366 
1367 struct mfi_bbu_state {
1368 	uint16_t		gas_guage_status;
1369 	uint16_t		relative_charge;
1370 	uint16_t		charger_status;
1371 	uint16_t		remaining_capacity;
1372 	uint16_t		full_charge_capacity;
1373 	uint8_t			is_SOH_good;
1374 	uint8_t			reserved[21];
1375 } __packed;
1376 
1377 struct mfi_bbu_properties {
1378 	uint32_t		auto_learn_period;
1379 	uint32_t		next_learn_time;
1380 	uint8_t			learn_delay_interval;
1381 	uint8_t			auto_learn_mode;
1382 	uint8_t			bbu_mode;
1383 	uint8_t			reserved[21];
1384 } __packed;
1385 
1386 union mfi_bbu_status_detail {
1387 	struct mfi_ibbu_state	ibbu;
1388 	struct mfi_bbu_state	bbu;
1389 };
1390 
1391 struct mfi_bbu_status {
1392 	uint8_t			battery_type;
1393 #define	MFI_BBU_TYPE_NONE	0
1394 #define	MFI_BBU_TYPE_IBBU	1
1395 #define	MFI_BBU_TYPE_BBU	2
1396 	uint8_t			reserved;
1397 	uint16_t		voltage;
1398 	int16_t			current;
1399 	uint16_t		temperature;
1400 	uint32_t		fw_status;
1401 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1402 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1403 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1404 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1405 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1406 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1407 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1408 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1409 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1410 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1411 	uint8_t			pad[20];
1412 	union mfi_bbu_status_detail detail;
1413 } __packed;
1414 
1415 enum mfi_pr_state {
1416 	MFI_PR_STATE_STOPPED = 0,
1417 	MFI_PR_STATE_READY = 1,
1418 	MFI_PR_STATE_ACTIVE = 2,
1419 	MFI_PR_STATE_ABORTED = 0xff
1420 };
1421 
1422 struct mfi_pr_status {
1423 	uint32_t		num_iteration;
1424 	uint8_t			state;
1425 	uint8_t			num_pd_done;
1426 	uint8_t			reserved[10];
1427 };
1428 
1429 enum mfi_pr_opmode {
1430 	MFI_PR_OPMODE_AUTO = 0,
1431 	MFI_PR_OPMODE_MANUAL = 1,
1432 	MFI_PR_OPMODE_DISABLED = 2
1433 };
1434 
1435 struct mfi_pr_properties {
1436 	uint8_t			op_mode;
1437 	uint8_t			max_pd;
1438 	uint8_t			reserved;
1439 	uint8_t			exclude_ld_count;
1440 	uint16_t		excluded_ld[MFI_MAX_LD];
1441 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1442 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1443 	uint32_t		next_exec;
1444 	uint32_t		exec_freq;
1445 	uint32_t		clear_freq;
1446 };
1447 
1448 /* ThunderBolt support */
1449 
1450 /*
1451  * Raid Context structure which describes MegaRAID specific IO Paramenters
1452  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1453  */
1454 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1455 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1456 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1457 	uint8_t		regLockFlags;
1458 	uint8_t		armId;
1459 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1460 
1461 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1462 
1463 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1464 
1465 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1466 	uint8_t		exStatus;	/* 0x16 */
1467 	uint8_t		Status;		/* 0x17 status */
1468 
1469 	uint8_t		RAIDFlags;	/* 0x18 */
1470 	uint8_t		numSGE;		/* 0x19 numSge */
1471 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1472 	uint8_t		spanArm;	/* 0x1C */
1473 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1474 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1475 
1476 /*****************************************************************************
1477 *
1478 *        Message Functions
1479 *
1480 *****************************************************************************/
1481 
1482 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1483 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1484 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1485 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1486 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1487 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1488 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1489 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1490 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1491 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1492 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1493 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1494 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1495 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1496 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1497 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1498 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1499 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1500 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1501 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1502 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1503 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1504 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1505 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1506 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1507 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1508 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1509 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1510 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1511 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1512 
1513 /* Doorbell functions */
1514 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1515 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1516 
1517 /*****************************************************************************
1518 *
1519 *        MPI Version Definitions
1520 *
1521 *****************************************************************************/
1522 
1523 #define MPI2_VERSION_MAJOR                  (0x02)
1524 #define MPI2_VERSION_MINOR                  (0x00)
1525 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1526 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1527 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1528 #define MPI2_VERSION_MINOR_SHIFT            (0)
1529 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1530                                       MPI2_VERSION_MINOR)
1531 
1532 #define MPI2_VERSION_02_00                  (0x0200)
1533 
1534 /* versioning for this MPI header set */
1535 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1536 #define MPI2_HEADER_VERSION_DEV             (0x00)
1537 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1538 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1539 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1540 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1541 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1542 					MPI2_HEADER_VERSION_DEV)
1543 
1544 
1545 /* IOCInit Request message */
1546 struct MPI2_IOC_INIT_REQUEST {
1547 	uint8_t		WhoInit;                        /* 0x00 */
1548 	uint8_t		Reserved1;                      /* 0x01 */
1549 	uint8_t		ChainOffset;                    /* 0x02 */
1550 	uint8_t		Function;                       /* 0x03 */
1551 	uint16_t	Reserved2;                      /* 0x04 */
1552 	uint8_t		Reserved3;                      /* 0x06 */
1553 	uint8_t		MsgFlags;                       /* 0x07 */
1554 	uint8_t		VP_ID;                          /* 0x08 */
1555 	uint8_t		VF_ID;                          /* 0x09 */
1556 	uint16_t	Reserved4;                      /* 0x0A */
1557 	uint16_t	MsgVersion;                     /* 0x0C */
1558 	uint16_t	HeaderVersion;                  /* 0x0E */
1559 	uint32_t	Reserved5;                      /* 0x10 */
1560 	uint16_t	Reserved6;                      /* 0x14 */
1561 	uint8_t		Reserved7;                      /* 0x16 */
1562 	uint8_t		HostMSIxVectors;                /* 0x17 */
1563 	uint16_t	Reserved8;                      /* 0x18 */
1564 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1565 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1566 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1567 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1568 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1569 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1570 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1571 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1572 	uint64_t	TimeStamp;                      /* 0x40 */
1573 };
1574 
1575 /* WhoInit values */
1576 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1577 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1578 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1579 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1580 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1581 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1582 
1583 struct MPI2_SGE_CHAIN_UNION {
1584 	uint16_t	Length;
1585 	uint8_t		NextChainOffset;
1586 	uint8_t		Flags;
1587 	union {
1588 		uint32_t	Address32;
1589 		uint64_t	Address64;
1590 	} u;
1591 };
1592 
1593 struct MPI2_IEEE_SGE_SIMPLE32 {
1594 	uint32_t	Address;
1595 	uint32_t	FlagsLength;
1596 };
1597 
1598 struct MPI2_IEEE_SGE_SIMPLE64 {
1599 	uint64_t	Address;
1600 	uint32_t	Length;
1601 	uint16_t	Reserved1;
1602 	uint8_t		Reserved2;
1603 	uint8_t		Flags;
1604 };
1605 
1606 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1607 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1608 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1609 } MPI2_IEEE_SGE_SIMPLE_UNION;
1610 
1611 typedef struct _MPI2_SGE_SIMPLE_UNION {
1612 	uint32_t	FlagsLength;
1613 	union {
1614 		uint32_t	Address32;
1615 		uint64_t	Address64;
1616 	} u;
1617 } MPI2_SGE_SIMPLE_UNION;
1618 
1619 /****************************************************************************
1620 *  IEEE SGE field definitions and masks
1621 ****************************************************************************/
1622 
1623 /* Flags field bit definitions */
1624 
1625 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1626 
1627 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1628 
1629 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1630 
1631 /* Element Type */
1632 
1633 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1634 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1635 
1636 /* Data Location Address Space */
1637 
1638 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1639 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1640 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1641 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1642 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1643 
1644 /* Address Size */
1645 
1646 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1647 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1648 
1649 /*******************/
1650 /* SCSI IO Control bits */
1651 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1652 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1653 
1654 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1655 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1656 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1657 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1658 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1659 
1660 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1661 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1662 
1663 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1664 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1665 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1666 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1667 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1668 
1669 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1670 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1671 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1672 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1673 
1674 /*******************/
1675 
1676 typedef struct {
1677 	uint8_t		CDB[20];                    /* 0x00 */
1678 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1679 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1680 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1681 	uint32_t	TransferLength;             /* 0x1C */
1682 } MPI2_SCSI_IO_CDB_EEDP32;
1683 
1684 
1685 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1686 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1687 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1688 } MPI2_IEEE_SGE_CHAIN_UNION;
1689 
1690 typedef union _MPI2_SIMPLE_SGE_UNION {
1691 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1692 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1693 } MPI2_SIMPLE_SGE_UNION;
1694 
1695 typedef union _MPI2_SGE_IO_UNION {
1696 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1697 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1698 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1699 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1700 } MPI2_SGE_IO_UNION;
1701 
1702 typedef union {
1703 	uint8_t			CDB32[32];
1704 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1705 	MPI2_SGE_SIMPLE_UNION	SGE;
1706 } MPI2_SCSI_IO_CDB_UNION;
1707 
1708 
1709 /* MPI 2.5 SGLs */
1710 
1711 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1712 
1713 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1714 	uint64_t	Address;
1715 	uint32_t	Length;
1716 	uint16_t	Reserved1;
1717 	uint8_t		NextChainOffset;
1718 	uint8_t		Flags;
1719 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1720 
1721 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1722 
1723 
1724 /********/
1725 
1726 /*
1727  * RAID SCSI IO Request Message
1728  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1729  */
1730 struct mfi_mpi2_request_raid_scsi_io {
1731 	uint16_t		DevHandle;                      /* 0x00 */
1732 	uint8_t			ChainOffset;                    /* 0x02 */
1733 	uint8_t			Function;                       /* 0x03 */
1734 	uint16_t		Reserved1;                      /* 0x04 */
1735 	uint8_t			Reserved2;                      /* 0x06 */
1736 	uint8_t			MsgFlags;                       /* 0x07 */
1737 	uint8_t			VP_ID;                          /* 0x08 */
1738 	uint8_t			VF_ID;                          /* 0x09 */
1739 	uint16_t		Reserved3;                      /* 0x0A */
1740 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1741 	uint16_t		SGLFlags;                       /* 0x10 */
1742 	uint8_t			SenseBufferLength;              /* 0x12 */
1743 	uint8_t			Reserved4;                      /* 0x13 */
1744 	uint8_t			SGLOffset0;                     /* 0x14 */
1745 	uint8_t			SGLOffset1;                     /* 0x15 */
1746 	uint8_t			SGLOffset2;                     /* 0x16 */
1747 	uint8_t			SGLOffset3;                     /* 0x17 */
1748 	uint32_t		SkipCount;                      /* 0x18 */
1749 	uint32_t		DataLength;                     /* 0x1C */
1750 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1751 	uint16_t		IoFlags;                        /* 0x24 */
1752 	uint16_t		EEDPFlags;                      /* 0x26 */
1753 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1754 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1755 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1756 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1757 	uint8_t			LUN[8];                         /* 0x34 */
1758 	uint32_t		Control;                        /* 0x3C */
1759 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1760 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1761 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1762 } __packed;
1763 
1764 /*
1765  * MPT RAID MFA IO Descriptor.
1766  */
1767 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1768 	uint32_t	RequestFlags : 8;
1769 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1770 	uint32_t	MessageAddress2;      /* bits 61:32 */
1771 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1772 
1773 struct mfi_mpi2_request_header {
1774 	uint8_t		RequestFlags;       /* 0x00 */
1775 	uint8_t		MSIxIndex;          /* 0x01 */
1776 	uint16_t	SMID;               /* 0x02 */
1777 	uint16_t	LMID;               /* 0x04 */
1778 };
1779 
1780 /* defines for the RequestFlags field */
1781 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1782 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1783 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1784 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1785 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1786 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1787 
1788 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1789 
1790 struct mfi_mpi2_request_high_priority {
1791 	struct mfi_mpi2_request_header	header;
1792 	uint16_t			reserved;
1793 };
1794 
1795 struct mfi_mpi2_request_scsi_io {
1796 	struct mfi_mpi2_request_header	header;
1797 	uint16_t			scsi_io_dev_handle;
1798 };
1799 
1800 struct mfi_mpi2_request_scsi_target {
1801 	struct mfi_mpi2_request_header	header;
1802 	uint16_t			scsi_target_io_index;
1803 };
1804 
1805 /* Request Descriptors */
1806 union mfi_mpi2_request_descriptor {
1807 	struct mfi_mpi2_request_header		header;
1808 	struct mfi_mpi2_request_high_priority	high_priority;
1809 	struct mfi_mpi2_request_scsi_io		scsi_io;
1810 	struct mfi_mpi2_request_scsi_target	scsi_target;
1811 	uint64_t				words;
1812 };
1813 
1814 
1815 struct mfi_mpi2_reply_header {
1816 	uint8_t		ReplyFlags;                 /* 0x00 */
1817 	uint8_t		MSIxIndex;                  /* 0x01 */
1818 	uint16_t	SMID;                       /* 0x02 */
1819 };
1820 
1821 /* defines for the ReplyFlags field */
1822 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1823 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1824 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1825 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1826 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1827 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1828 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1829 
1830 /* values for marking a reply descriptor as unused */
1831 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1832 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1833 
1834 struct mfi_mpi2_reply_default {
1835 	struct mfi_mpi2_reply_header	header;
1836 	uint32_t			DescriptorTypeDependent2;
1837 };
1838 
1839 struct mfi_mpi2_reply_address {
1840 	struct mfi_mpi2_reply_header	header;
1841 	uint32_t			ReplyFrameAddress;
1842 };
1843 
1844 struct mfi_mpi2_reply_scsi_io {
1845 	struct mfi_mpi2_reply_header	header;
1846 	uint16_t			TaskTag;		/* 0x04 */
1847 	uint16_t			Reserved1;		/* 0x06 */
1848 };
1849 
1850 struct mfi_mpi2_reply_target_assist {
1851 	struct mfi_mpi2_reply_header	header;
1852 	uint8_t				SequenceNumber;		/* 0x04 */
1853 	uint8_t				Reserved1;		/* 0x04 */
1854 	uint16_t			IoIndex;		/* 0x06 */
1855 };
1856 
1857 struct mfi_mpi2_reply_target_cmd_buffer {
1858 	struct mfi_mpi2_reply_header	header;
1859 	uint8_t				SequenceNumber;		/* 0x04 */
1860 	uint8_t				Flags;			/* 0x04 */
1861 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1862 	uint16_t			IoIndex;		/* 0x06 */
1863 };
1864 
1865 struct mfi_mpi2_reply_raid_accel {
1866 	struct mfi_mpi2_reply_header	header;
1867 	uint8_t				SequenceNumber;		/* 0x04 */
1868 	uint32_t			Reserved;		/* 0x04 */
1869 };
1870 
1871 /* union of Reply Descriptors */
1872 union mfi_mpi2_reply_descriptor {
1873 	struct mfi_mpi2_reply_header		header;
1874 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1875 	struct mfi_mpi2_reply_target_assist	target_assist;
1876 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1877 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1878 	struct mfi_mpi2_reply_default		reply_default;
1879 	uint64_t				words;
1880 };
1881 
1882 struct IO_REQUEST_INFO {
1883 	uint64_t	ldStartBlock;
1884 	uint32_t	numBlocks;
1885 	uint16_t	ldTgtId;
1886 	uint8_t		isRead;
1887 	uint16_t	devHandle;
1888 	uint64_t	pdBlock;
1889 	uint8_t		fpOkForIo;
1890 };
1891 
1892 #define MFI_SCSI_MAX_TARGETS	128
1893 #define MFI_SCSI_MAX_LUNS	8
1894 #define MFI_SCSI_INITIATOR_ID	255
1895 #define MFI_SCSI_MAX_CMDS	8
1896 #define MFI_SCSI_MAX_CDB_LEN	16
1897 
1898 #endif /* _MFIREG_H */
1899